Kingdom Valley is Shadow Generations' biggest stage, and this guide showcases all the keys in every act and challenge.
Whether you're on a main act or a challenge, this guide shows off Where to Find Every Collection Box Key in Rail Canyon in Sonic X Shadow Generations.
Sonic the hedgehog has had a rocky history once the franchise transitioned to 3D, so let's rank each of Sonic's 3D outings from worst to best!
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